Expansion valve



FIG. 1 is a perspective view of the expansion valve of the presentinvention.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a plan view thereof.

FIG. 5 is a bottom view thereof.

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The ornamental design for an expansion valve, as shown and described.